Near Infrared Shielding Properties of Quaternary Tungsten Bronze Nanoparticle Na0.11Cs0.22WO3

被引：20

作者：

Moon, Kyunghwan ^{[1
]}

Cho, Jin-Ju ^{[1
]}

Lee, Ye-Bin ^{[1
]}

Yoo, Pil J. ^{[2
,3
]}

Bark, Chung Wung ^{[4
]}

Park, Juhyun ^{[1
]}

机构：

[1] Chung Ang Univ, Sch Chem Engn & Mat Sci, Seoul 156756, South Korea

[2] Sungkyunkwan Univ, Sch Chem Engn, Suwon 440746, South Korea

[3] Sungkyunkwan Univ, SKKU Adv Inst Nanotechnol SAINT, Suwon 440746, South Korea

[4] Gachon Univ, Dept Elect Engn, Gyunggi Do 461701, South Korea

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2013年 / 34卷 / 03期

关键词：

Tungsten bronze; Near infrared; Energy saving windows; Solar filter; OPTICAL-PROPERTIES; ABSORPTION; FILMS; LIGHT;

D O I：

10.5012/bkcs.2013.34.3.731

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reduced tungsten bronze nanoparticles of ternary and quaternary compounds were prepared by adding sodium and cesium to crystal structures of tungsten trioxides (NaxCs0.33-xWO3, x = 0, 0.11) while maintaining the overall alkali metal fraction at 0.33, in an attempt to control near infrared (NIR) shielding property in the particular wavelength range of 780 to 1200 nm. The structure and composition analysis of the quaternary compound, Na0.11Cs0.22WO3, revealed that 93.1% of the hexagonal phase was formed, suggesting that both alkali metals were mainly inserted in hexagonal channel. The NIR shielding property for Na0.11Cs0.22WO3 was remarkable, as this material demonstrated efficient transmittance of visible light up to 780 nm and enhancement in NIR shielding because of the blue-shifted absorption maximum in comparison to Cs0.33NO3.

引用

页码：731 / 734

页数：4

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